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IGF-1 is secreted by the liver and is regulated in part by hGH levels

Zorec, R., Zupanc, T

[PubMed 2886628] 1513
Cen Y, Shan Y, Zhao J, Xu X, Nie Z, Zhang J

doi: 10.1210/jc.2010-2520

Obrador, E., & Estrela, J
